Chains and heterogens:
PDB Chain Sequences:
>5o4kA (A:) mtatvllevpfsargdripdavaelrtrepirkvrtitgaeawlvssyalctqvledrrf smketaaagaprlnaltvppevvnnmgniadaglrkavmkaitpkapgleqflrdtansl ldnlitegapadlrndfadplatalhckvlgipqedgpklfrslsiafmssadpipaaki nwdrdieymagilenpnittglmgelsrlrkdpayshvsdelfatigvtffgagvistgs flttalisliqrpqlrnllhekpelipagveellrinlsfadglprlatadiqvgdvlvr kgelvlvlleganfdpehfpnpgsieldrpnptshlafgrgqhfcpgsalgrrhaqigie allkkmpgvdlavpidqlvwrtrfqrriperlpvlw
>5o4kA (A:) atvllevpfsargdripdavaelrtrepirkvrtitgaeawlvssyalctqvledrrfsm ketaaagaprlnaltvppevvnnmgniadaglrkavmkaitpkapgleqflrdtanslld nlitegapadlrndfadplatalhckvlgipqedgpklfrslsiafmssadpipaakinw drdieymagilenpnittglmgelsrlrkdpayshvsdelfatigvtffgagvistgsfl ttalisliqrpqlrnllhekpelipagveellrinlsfadglprlatadiqvgdvlvrkg elvlvlleganfdpehfpnpgsieldrpnptshlafgrgqhfcpgsalgrrhaqigieal lkkmpgvdlavpidqlvwrtrfqrriperlpvlw